ought to proliferate
Regular verb: proliferate - proliferated- proliferated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to proliferate
you ought to proliferate
he ought to proliferate
we ought to proliferate
you ought to proliferate
they ought to proliferate 	I ought to be proliferating
you ought to be proliferating
he ought to be proliferating
we ought to be proliferating
you ought to be proliferating
they ought to be proliferating	I ought to have proliferated
you ought to have proliferated
he ought to have proliferated
we ought to have proliferated
you ought to have proliferated
they ought to have proliferated	I ought to have been proliferating
you ought to have been proliferating
he ought to have been proliferating
we ought to have been proliferating
you ought to have been proliferating
they ought to have been proliferating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to proliferate
you ought not to proliferate
he ought not to proliferate
we ought not to proliferate
you ought not to proliferate
they ought not to proliferate 	I ought not to proliferating
you ought not to proliferating
he ought not to proliferating
we ought not to proliferating
you ought not to proliferating
they ought not to proliferating	I ought not to have proliferated
you ought not to have proliferated
he ought not to have proliferated
we ought not to have proliferated
you ought not to have proliferated
they ought not to have proliferated	I ought not to have been proliferating
you ought not to have been proliferating
he ought not to have been proliferating
we ought not to have been proliferating
you ought not to have been proliferating
they ought not to have been proliferating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I proliferate?
ought to you proliferate?
ought to he proliferate?
ought to we proliferate?
ought to you proliferate?
ought to they proliferate? 	ought to I be proliferating?
ought to you be proliferating?
ought to he be proliferating?
ought to we be proliferating?
ought to you be proliferating?
ought to they be proliferating? 	ought to I have proliferated?
ought to you have proliferated?
ought to he have proliferated?
ought to we have proliferated?
ought to you have proliferated?
ought to they have proliferated? 	ought to I have been proliferating?
ought to you have been proliferating?
ought to he have been proliferating?
ought to we have been proliferating?
ought to you have been proliferating?
ought to they have been proliferating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to proliferate?
ought you not to proliferate?
ought he not to proliferate?
ought we not to proliferate?
ought you not to proliferate?
ought they not to proliferate? 	ought I not to be proliferating?
ought you not to be proliferating?
ought he not to be proliferating?
ought we not to be proliferating?
ought you not to be proliferating?
ought they not to be proliferating? 	ought I not to have proliferated?
ought you not to have proliferated?
ought he not to have proliferated?
ought we not to have proliferated?
ought you not to have proliferated?
ought they not to have proliferated? 	ought I not to have been proliferating?
ought you not to have been proliferating?
ought he not to have been proliferating?
ought we not to have been proliferating?
ought you not to have been proliferating?
ought they not to have been proliferating?